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Long Term Support Release
<?php namespace PhpOffice\PhpSpreadsheet\Cell; use PhpOffice\PhpSpreadsheet\Calculation\Calculation;< use PhpOffice\PhpSpreadsheet\Calculation\Functions;> use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;use PhpOffice\PhpSpreadsheet\Exception; /** * Validate a cell value according to its validation rules. */ class DataValidator { /** * Does this cell contain valid value? * * @param Cell $cell Cell to check the value * * @return bool */ public function isValid(Cell $cell) { if (!$cell->hasDataValidation()) { return true; } $cellValue = $cell->getValue(); $dataValidation = $cell->getDataValidation(); if (!$dataValidation->getAllowBlank() && ($cellValue === null || $cellValue === '')) { return false; } // TODO: write check on all cases switch ($dataValidation->getType()) { case DataValidation::TYPE_LIST: return $this->isValueInList($cell); } return false; } /** * Does this cell contain valid value, based on list? * * @param Cell $cell Cell to check the value * * @return bool */ private function isValueInList(Cell $cell) { $cellValue = $cell->getValue(); $dataValidation = $cell->getDataValidation(); $formula1 = $dataValidation->getFormula1(); if (!empty($formula1)) { // inline values list if ($formula1[0] === '"') { return in_array(strtolower($cellValue), explode(',', strtolower(trim($formula1, '"'))), true); } elseif (strpos($formula1, ':') > 0) { // values list cells $matchFormula = '=MATCH(' . $cell->getCoordinate() . ', ' . $formula1 . ', 0)'; $calculation = Calculation::getInstance($cell->getWorksheet()->getParent()); try { $result = $calculation->calculateFormula($matchFormula, $cell->getCoordinate(), $cell);> while (is_array($result)) { > $result = array_pop($result); return $result !== Functions::NA(); > }< return $result !== Functions::NA();> return $result !== ExcelError::NA();return false; } } } return true; } }